Libyan government-aligned forces are battling the militant group for control of the city of Sirte.
At least 28 people, including seven children, died in airstrikes Thursday believed to have been carried out by the international coalition.
Syrian Opposition Calls For Suspension Of U.S.-Led Airstrikes After Dozens Of Civilians Reportedly Killed
At least 56 civilians, including 11 children, died in airstrikes on Tuesday, monitors said.
The Taliban have made no official statement but two commanders close to Mansour denied he was dead.
The attack took place as recruits were lining up for dinner at the camp.
The U.S. spent $25 billion on "training, equipping, and sustaining" Iraqi security forces. Along the way, Pentagon spokesmen offered up an unending stream of good news about the new Iraqi Army. Yet, that same force collapsed in the face of assaults just two and a half years after U.S. withdrawal.
"It's still not safe. ISIS could be anywhere."
Intensifying pressure on the Islamic State, United States warplanes for the first time attacked hundreds of trucks on Monday
Members of the minority group worry that messy politics and crushing poverty will only prolong their plight.
Britain said the death of the militant would strike at the heart of the Islamic State group.